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In this paper, the asymptotical stability criterion for the fuzzy neutral systems is investigated. By means of the Lyapunov-Krasovskii functional, Barbalat lemma, Sala- Arino lemma, the descriptor model transformation and LMI approach, a novelty less conservative sufficient condition (in terms of LMIs) for asymptotical stability of the fuzzy neutral systems is deduced. Finally, an illustrative numerical...
Low energy compact cyclotrons applied in Positron Emission Tomography (PET) have foreseeable prospects with the growing demands in medical applications. Compared with conventional dasiadeep valleypsila magnet type, the cyclotron magnet with small valley gap (SVG) has higher average magnetic field which reduces magnet pole size, but smaller field flutter also decreases the axial focusing of beam. Considering...
This paper is intended to serve as an introduction to the conceptual design of control system for a compact free electron laser (FEL) terahertz radiation source (FTRS). The general architecture of the control system is presented. The hardware components, software design, communications and subsystems are described in the paper. We also discuss a novel method of using Matlab Simulink\stateflow to simulate...
As a novel technique in engineering, virtual prototyping (VP) was applied to the design of cyclotrons with the purpose of shortening development period and reducing costs for physical prototypes. The progress in VP for compact cyclotron design in HUST is introduced. The idea of multi-domain collaborative design was proposed. This paper describes the framework and its pythonic implementation of the...
Presently, many researches have been carried out on rough set based data reduction. However, this method encounters a problem when dealing with real-valued data and fuzzy information. By lucubrating the theory of fuzzy rough set and utilizing the definition of information entropy presented in literature [5], the information entropy model of fuzzy rough set has been constructed. Then the conditional...
In this paper, a fuzzy hyperbolic Hinfin controller (FHC), for a class of nonlinear systems based on fuzzy hyperbolic model (FHM), is proposed. FHM is a universal approximator, and can be used to establish the model for unknown complex systems. Moreover, the main advantage of using FHM over T-S fuzzy model is that no premise structure identification is need and no completeness design of premise variables...
In this paper the authors evaluated bus buffer size of different arbitration algorithms according to a RISC microprocessor. Three arbitration algorithms have been tested: (a) static priority arbitration; (b) rotating priority arbitration; and (c) lottery bus arbitration. A high-level simulation model based on C++ has been developed and the simulations were based upon recorded real communication traces...
As Flash, a relatively new rich media format, becomes more and more popular on the Web, the genre becomes increasingly important for Flash movie management as a complement to topical principles of classification. Genre classification can identify Flash movies authored in a style most likely to satisfy a user's information need. We present a method for detecting the Flash genre quickly and easily by...
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